Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.Note: Click for Watch Status Reports.

SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 271
NWS Storm Prediction Center Norman OK
640 PM CDT Wed Jul 11 2018
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northern Minnesota
Southeast North Dakota
* Effective this Wednesday night and Thursday morning from 640 PM
until 100 AM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Thunderstorms are expected to develop along a cold front
over northwest MN and spread eastward across the watch through the
evening. Damaging winds and hail are the main threats, but some
tornado potential also exists for a few hours this evening.
The tornado watch area is approximately along and 80 statute miles
east and west of a line from 60 miles west northwest of
International Falls MN to 55 miles south southeast of Detroit Lakes
MN. For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 27035.
...Hart

SEL1
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 271
NWS Storm Prediction Center Norman OK
640 PM CDT Wed Jul 11 2018
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northern Minnesota
Southeast North Dakota
* Effective this Wednesday night and Thursday morning from 640 PM
until 100 AM CDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Thunderstorms are expected to develop along a cold front
over northwest MN and spread eastward across the watch through the
evening. Damaging winds and hail are the main threats, but some
tornado potential also exists for a few hours this evening.
The tornado watch area is approximately along and 80 statute miles
east and west of a line from 60 miles west northwest of
International Falls MN to 55 miles south southeast of Detroit Lakes
MN. For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 27035.
...Hart

For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.